Home / 85,177.83-117,547.74-47,452.08

Finding the Fourth Proportional to 85,177.83, 117,547.74 and 47,452.08

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Solution

The fourth proportional to 85,177.83, 117,547.74 and 47,452.08 is: 65,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177.83 : 117,547.74 = 47,452.08 : x
  2. Step 2: Convert to fraction form
    85,177.83/117,547.74 = 47,452.08/x
  3. Step 3: Cross multiply
    85,177.83x = 117,547.74 × 47,452.08
  4. Step 4: Simplify right side
    85,177.83x = 5,577,884,762.30
  5. Step 5: Solve for x
    x = 5,577,884,762.30/85,177.83
  6. Step 6: Final answer
    x = 65,485.17

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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.