Home / 91,887.84-126,816.96-56,070.24

Finding the Fourth Proportional to 91,887.84, 126,816.96 and 56,070.24

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Solution

The fourth proportional to 91,887.84, 126,816.96 and 56,070.24 is: 77,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,887.84 : 126,816.96 = 56,070.24 : x
  2. Step 2: Convert to fraction form
    91,887.84/126,816.96 = 56,070.24/x
  3. Step 3: Cross multiply
    91,887.84x = 126,816.96 × 56,070.24
  4. Step 4: Simplify right side
    91,887.84x = 7,110,657,383.27
  5. Step 5: Solve for x
    x = 7,110,657,383.27/91,887.84
  6. Step 6: Final answer
    x = 77,384.10

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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.