Home / 86,442.06-119,337.11-59,728.39

Finding the Fourth Proportional to 86,442.06, 119,337.11 and 59,728.39

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Solution

The fourth proportional to 86,442.06, 119,337.11 and 59,728.39 is: 82,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,442.06 : 119,337.11 = 59,728.39 : x
  2. Step 2: Convert to fraction form
    86,442.06/119,337.11 = 59,728.39/x
  3. Step 3: Cross multiply
    86,442.06x = 119,337.11 × 59,728.39
  4. Step 4: Simplify right side
    86,442.06x = 7,127,813,447.55
  5. Step 5: Solve for x
    x = 7,127,813,447.55/86,442.06
  6. Step 6: Final answer
    x = 82,457.70

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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.