Home / 71,235.21-98,261.76-47,036.40

Finding the Fourth Proportional to 71,235.21, 98,261.76 and 47,036.40

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Solution

The fourth proportional to 71,235.21, 98,261.76 and 47,036.40 is: 64,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,235.21 : 98,261.76 = 47,036.40 : x
  2. Step 2: Convert to fraction form
    71,235.21/98,261.76 = 47,036.40/x
  3. Step 3: Cross multiply
    71,235.21x = 98,261.76 × 47,036.40
  4. Step 4: Simplify right side
    71,235.21x = 4,621,878,991.39
  5. Step 5: Solve for x
    x = 4,621,878,991.39/71,235.21
  6. Step 6: Final answer
    x = 64,881.94

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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.