Home / 112,549.02-155,311.18-61,551.55

Finding the Fourth Proportional to 112,549.02, 155,311.18 and 61,551.55

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Solution

The fourth proportional to 112,549.02, 155,311.18 and 61,551.55 is: 84,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,549.02 : 155,311.18 = 61,551.55 : x
  2. Step 2: Convert to fraction form
    112,549.02/155,311.18 = 61,551.55/x
  3. Step 3: Cross multiply
    112,549.02x = 155,311.18 × 61,551.55
  4. Step 4: Simplify right side
    112,549.02x = 9,559,643,861.33
  5. Step 5: Solve for x
    x = 9,559,643,861.33/112,549.02
  6. Step 6: Final answer
    x = 84,937.60

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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.