Home / 99,031.66-136,681.16-58,767.63

Finding the Fourth Proportional to 99,031.66, 136,681.16 and 58,767.63

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Solution

The fourth proportional to 99,031.66, 136,681.16 and 58,767.63 is: 81,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.66 : 136,681.16 = 58,767.63 : x
  2. Step 2: Convert to fraction form
    99,031.66/136,681.16 = 58,767.63/x
  3. Step 3: Cross multiply
    99,031.66x = 136,681.16 × 58,767.63
  4. Step 4: Simplify right side
    99,031.66x = 8,032,427,838.85
  5. Step 5: Solve for x
    x = 8,032,427,838.85/99,031.66
  6. Step 6: Final answer
    x = 81,109.70

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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.