Home / 111,077.03-153,285.54-60,776.03

Finding the Fourth Proportional to 111,077.03, 153,285.54 and 60,776.03

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Solution

The fourth proportional to 111,077.03, 153,285.54 and 60,776.03 is: 83,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,077.03 : 153,285.54 = 60,776.03 : x
  2. Step 2: Convert to fraction form
    111,077.03/153,285.54 = 60,776.03/x
  3. Step 3: Cross multiply
    111,077.03x = 153,285.54 × 60,776.03
  4. Step 4: Simplify right side
    111,077.03x = 9,316,086,577.61
  5. Step 5: Solve for x
    x = 9,316,086,577.61/111,077.03
  6. Step 6: Final answer
    x = 83,870.50

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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.