Home / 86,535.60-119,417.76-48,809.04

Finding the Fourth Proportional to 86,535.60, 119,417.76 and 48,809.04

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Solution

The fourth proportional to 86,535.60, 119,417.76 and 48,809.04 is: 67,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535.60 : 119,417.76 = 48,809.04 : x
  2. Step 2: Convert to fraction form
    86,535.60/119,417.76 = 48,809.04/x
  3. Step 3: Cross multiply
    86,535.60x = 119,417.76 × 48,809.04
  4. Step 4: Simplify right side
    86,535.60x = 5,828,666,224.55
  5. Step 5: Solve for x
    x = 5,828,666,224.55/86,535.60
  6. Step 6: Final answer
    x = 67,355.70

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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.