Home / 91,887.90-126,817.02-56,070.30

Finding the Fourth Proportional to 91,887.90, 126,817.02 and 56,070.30

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Solution

The fourth proportional to 91,887.90, 126,817.02 and 56,070.30 is: 77,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,887.90 : 126,817.02 = 56,070.30 : x
  2. Step 2: Convert to fraction form
    91,887.90/126,817.02 = 56,070.30/x
  3. Step 3: Cross multiply
    91,887.90x = 126,817.02 × 56,070.30
  4. Step 4: Simplify right side
    91,887.90x = 7,110,668,356.51
  5. Step 5: Solve for x
    x = 7,110,668,356.51/91,887.90
  6. Step 6: Final answer
    x = 77,384.16

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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.