Home / 98,609.32-136,073.28-58,319.92

Finding the Fourth Proportional to 98,609.32, 136,073.28 and 58,319.92

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Solution

The fourth proportional to 98,609.32, 136,073.28 and 58,319.92 is: 80,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609.32 : 136,073.28 = 58,319.92 : x
  2. Step 2: Convert to fraction form
    98,609.32/136,073.28 = 58,319.92/x
  3. Step 3: Cross multiply
    98,609.32x = 136,073.28 × 58,319.92
  4. Step 4: Simplify right side
    98,609.32x = 7,935,782,803.74
  5. Step 5: Solve for x
    x = 7,935,782,803.74/98,609.32
  6. Step 6: Final answer
    x = 80,477.01

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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.