Home / 112,068.60-154,681.02-69,659.16

Finding the Fourth Proportional to 112,068.60, 154,681.02 and 69,659.16

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Solution

The fourth proportional to 112,068.60, 154,681.02 and 69,659.16 is: 96,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068.60 : 154,681.02 = 69,659.16 : x
  2. Step 2: Convert to fraction form
    112,068.60/154,681.02 = 69,659.16/x
  3. Step 3: Cross multiply
    112,068.60x = 154,681.02 × 69,659.16
  4. Step 4: Simplify right side
    112,068.60x = 10,774,949,921.14
  5. Step 5: Solve for x
    x = 10,774,949,921.14/112,068.60
  6. Step 6: Final answer
    x = 96,146.02

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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.