Home / 72,285.02-108,426.88-56,503.32

Finding the Fourth Proportional to 72,285.02, 108,426.88 and 56,503.32

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Solution

The fourth proportional to 72,285.02, 108,426.88 and 56,503.32 is: 84,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,285.02 : 108,426.88 = 56,503.32 : x
  2. Step 2: Convert to fraction form
    72,285.02/108,426.88 = 56,503.32/x
  3. Step 3: Cross multiply
    72,285.02x = 108,426.88 × 56,503.32
  4. Step 4: Simplify right side
    72,285.02x = 6,126,478,697.24
  5. Step 5: Solve for x
    x = 6,126,478,697.24/72,285.02
  6. Step 6: Final answer
    x = 84,754.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.