Home / 91,974.07-126,925.34-56,159.11

Finding the Fourth Proportional to 91,974.07, 126,925.34 and 56,159.11

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Solution

The fourth proportional to 91,974.07, 126,925.34 and 56,159.11 is: 77,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,974.07 : 126,925.34 = 56,159.11 : x
  2. Step 2: Convert to fraction form
    91,974.07/126,925.34 = 56,159.11/x
  3. Step 3: Cross multiply
    91,974.07x = 126,925.34 × 56,159.11
  4. Step 4: Simplify right side
    91,974.07x = 7,128,014,130.85
  5. Step 5: Solve for x
    x = 7,128,014,130.85/91,974.07
  6. Step 6: Final answer
    x = 77,500.26

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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.