Home / 86,740.84-119,689.14-49,001.32

Finding the Fourth Proportional to 86,740.84, 119,689.14 and 49,001.32

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Solution

The fourth proportional to 86,740.84, 119,689.14 and 49,001.32 is: 67,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740.84 : 119,689.14 = 49,001.32 : x
  2. Step 2: Convert to fraction form
    86,740.84/119,689.14 = 49,001.32/x
  3. Step 3: Cross multiply
    86,740.84x = 119,689.14 × 49,001.32
  4. Step 4: Simplify right side
    86,740.84x = 5,864,925,849.66
  5. Step 5: Solve for x
    x = 5,864,925,849.66/86,740.84
  6. Step 6: Final answer
    x = 67,614.35

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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.