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Finding the Fourth Proportional to 88,051.44, 121,510.32 and 47,764.32

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Solution

The fourth proportional to 88,051.44, 121,510.32 and 47,764.32 is: 65,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,051.44 : 121,510.32 = 47,764.32 : x
  2. Step 2: Convert to fraction form
    88,051.44/121,510.32 = 47,764.32/x
  3. Step 3: Cross multiply
    88,051.44x = 121,510.32 × 47,764.32
  4. Step 4: Simplify right side
    88,051.44x = 5,803,857,807.78
  5. Step 5: Solve for x
    x = 5,803,857,807.78/88,051.44
  6. Step 6: Final answer
    x = 65,914.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.