Home / 98,573.98-136,031.95-56,132.53

Finding the Fourth Proportional to 98,573.98, 136,031.95 and 56,132.53

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Solution

The fourth proportional to 98,573.98, 136,031.95 and 56,132.53 is: 77,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,573.98 : 136,031.95 = 56,132.53 : x
  2. Step 2: Convert to fraction form
    98,573.98/136,031.95 = 56,132.53/x
  3. Step 3: Cross multiply
    98,573.98x = 136,031.95 × 56,132.53
  4. Step 4: Simplify right side
    98,573.98x = 7,635,816,553.51
  5. Step 5: Solve for x
    x = 7,635,816,553.51/98,573.98
  6. Step 6: Final answer
    x = 77,462.80

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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.