Home / 111,085.13-153,297.57-60,784.13

Finding the Fourth Proportional to 111,085.13, 153,297.57 and 60,784.13

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Solution

The fourth proportional to 111,085.13, 153,297.57 and 60,784.13 is: 83,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,085.13 : 153,297.57 = 60,784.13 : x
  2. Step 2: Convert to fraction form
    111,085.13/153,297.57 = 60,784.13/x
  3. Step 3: Cross multiply
    111,085.13x = 153,297.57 × 60,784.13
  4. Step 4: Simplify right side
    111,085.13x = 9,318,058,657.08
  5. Step 5: Solve for x
    x = 9,318,058,657.08/111,085.13
  6. Step 6: Final answer
    x = 83,882.15

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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.