Home / 117,547.02-162,210.42-63,830.88

Finding the Fourth Proportional to 117,547.02, 162,210.42 and 63,830.88

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Solution

The fourth proportional to 117,547.02, 162,210.42 and 63,830.88 is: 88,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,547.02 : 162,210.42 = 63,830.88 : x
  2. Step 2: Convert to fraction form
    117,547.02/162,210.42 = 63,830.88/x
  3. Step 3: Cross multiply
    117,547.02x = 162,210.42 × 63,830.88
  4. Step 4: Simplify right side
    117,547.02x = 10,354,033,853.77
  5. Step 5: Solve for x
    x = 10,354,033,853.77/117,547.02
  6. Step 6: Final answer
    x = 88,084.19

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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.