Home / 86,498.04-119,300.13-54,655.32

Finding the Fourth Proportional to 86,498.04, 119,300.13 and 54,655.32

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Solution

The fourth proportional to 86,498.04, 119,300.13 and 54,655.32 is: 75,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,498.04 : 119,300.13 = 54,655.32 : x
  2. Step 2: Convert to fraction form
    86,498.04/119,300.13 = 54,655.32/x
  3. Step 3: Cross multiply
    86,498.04x = 119,300.13 × 54,655.32
  4. Step 4: Simplify right side
    86,498.04x = 6,520,386,781.19
  5. Step 5: Solve for x
    x = 6,520,386,781.19/86,498.04
  6. Step 6: Final answer
    x = 75,381.90

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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.