Home / 86,707.17-119,654.07-48,465.65

Finding the Fourth Proportional to 86,707.17, 119,654.07 and 48,465.65

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Solution

The fourth proportional to 86,707.17, 119,654.07 and 48,465.65 is: 66,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,707.17 : 119,654.07 = 48,465.65 : x
  2. Step 2: Convert to fraction form
    86,707.17/119,654.07 = 48,465.65/x
  3. Step 3: Cross multiply
    86,707.17x = 119,654.07 × 48,465.65
  4. Step 4: Simplify right side
    86,707.17x = 5,799,112,277.70
  5. Step 5: Solve for x
    x = 5,799,112,277.70/86,707.17
  6. Step 6: Final answer
    x = 66,881.58

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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.