Home / 111,534.04-153,915.06-61,232.68

Finding the Fourth Proportional to 111,534.04, 153,915.06 and 61,232.68

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Solution

The fourth proportional to 111,534.04, 153,915.06 and 61,232.68 is: 84,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534.04 : 153,915.06 = 61,232.68 : x
  2. Step 2: Convert to fraction form
    111,534.04/153,915.06 = 61,232.68/x
  3. Step 3: Cross multiply
    111,534.04x = 153,915.06 × 61,232.68
  4. Step 4: Simplify right side
    111,534.04x = 9,424,631,616.16
  5. Step 5: Solve for x
    x = 9,424,631,616.16/111,534.04
  6. Step 6: Final answer
    x = 84,500.05

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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.