Home / 88,261.75-121,818.90-52,444.81

Finding the Fourth Proportional to 88,261.75, 121,818.90 and 52,444.81

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Solution

The fourth proportional to 88,261.75, 121,818.90 and 52,444.81 is: 72,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.75 : 121,818.90 = 52,444.81 : x
  2. Step 2: Convert to fraction form
    88,261.75/121,818.90 = 52,444.81/x
  3. Step 3: Cross multiply
    88,261.75x = 121,818.90 × 52,444.81
  4. Step 4: Simplify right side
    88,261.75x = 6,388,769,064.91
  5. Step 5: Solve for x
    x = 6,388,769,064.91/88,261.75
  6. Step 6: Final answer
    x = 72,384.35

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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.