Home / 86,335.20-119,095.92-59,430.24

Finding the Fourth Proportional to 86,335.20, 119,095.92 and 59,430.24

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Solution

The fourth proportional to 86,335.20, 119,095.92 and 59,430.24 is: 81,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,335.20 : 119,095.92 = 59,430.24 : x
  2. Step 2: Convert to fraction form
    86,335.20/119,095.92 = 59,430.24/x
  3. Step 3: Cross multiply
    86,335.20x = 119,095.92 × 59,430.24
  4. Step 4: Simplify right side
    86,335.20x = 7,077,899,108.62
  5. Step 5: Solve for x
    x = 7,077,899,108.62/86,335.20
  6. Step 6: Final answer
    x = 81,981.61

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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.