Home / 86,628.28-119,557.40-52,642.32

Finding the Fourth Proportional to 86,628.28, 119,557.40 and 52,642.32

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Solution

The fourth proportional to 86,628.28, 119,557.40 and 52,642.32 is: 72,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.28 : 119,557.40 = 52,642.32 : x
  2. Step 2: Convert to fraction form
    86,628.28/119,557.40 = 52,642.32/x
  3. Step 3: Cross multiply
    86,628.28x = 119,557.40 × 52,642.32
  4. Step 4: Simplify right side
    86,628.28x = 6,293,778,909.17
  5. Step 5: Solve for x
    x = 6,293,778,909.17/86,628.28
  6. Step 6: Final answer
    x = 72,652.71

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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.