Home / 111,080.04-153,290.61-60,779.04

Finding the Fourth Proportional to 111,080.04, 153,290.61 and 60,779.04

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Solution

The fourth proportional to 111,080.04, 153,290.61 and 60,779.04 is: 83,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,080.04 : 153,290.61 = 60,779.04 : x
  2. Step 2: Convert to fraction form
    111,080.04/153,290.61 = 60,779.04/x
  3. Step 3: Cross multiply
    111,080.04x = 153,290.61 × 60,779.04
  4. Step 4: Simplify right side
    111,080.04x = 9,316,856,116.81
  5. Step 5: Solve for x
    x = 9,316,856,116.81/111,080.04
  6. Step 6: Final answer
    x = 83,875.16

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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.