Home / 86,587.32-119,490-48,344.66

Finding the Fourth Proportional to 86,587.32, 119,490 and 48,344.66

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Solution

The fourth proportional to 86,587.32, 119,490 and 48,344.66 is: 66,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,587.32 : 119,490 = 48,344.66 : x
  2. Step 2: Convert to fraction form
    86,587.32/119,490 = 48,344.66/x
  3. Step 3: Cross multiply
    86,587.32x = 119,490 × 48,344.66
  4. Step 4: Simplify right side
    86,587.32x = 5,776,703,423.40
  5. Step 5: Solve for x
    x = 5,776,703,423.40/86,587.32
  6. Step 6: Final answer
    x = 66,715.35

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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.