Home / 99,070.14-136,684.47-56,045.47

Finding the Fourth Proportional to 99,070.14, 136,684.47 and 56,045.47

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Solution

The fourth proportional to 99,070.14, 136,684.47 and 56,045.47 is: 77,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070.14 : 136,684.47 = 56,045.47 : x
  2. Step 2: Convert to fraction form
    99,070.14/136,684.47 = 56,045.47/x
  3. Step 3: Cross multiply
    99,070.14x = 136,684.47 × 56,045.47
  4. Step 4: Simplify right side
    99,070.14x = 7,660,545,362.85
  5. Step 5: Solve for x
    x = 7,660,545,362.85/99,070.14
  6. Step 6: Final answer
    x = 77,324.46

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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.