Home / 102,061.32-153,031.68-38,886.36

Finding the Fourth Proportional to 102,061.32, 153,031.68 and 38,886.36

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Solution

The fourth proportional to 102,061.32, 153,031.68 and 38,886.36 is: 58,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,061.32 : 153,031.68 = 38,886.36 : x
  2. Step 2: Convert to fraction form
    102,061.32/153,031.68 = 38,886.36/x
  3. Step 3: Cross multiply
    102,061.32x = 153,031.68 × 38,886.36
  4. Step 4: Simplify right side
    102,061.32x = 5,950,844,999.88
  5. Step 5: Solve for x
    x = 5,950,844,999.88/102,061.32
  6. Step 6: Final answer
    x = 58,306.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.