Home / 78,575.34-108,425.07-46,307.97

Finding the Fourth Proportional to 78,575.34, 108,425.07 and 46,307.97

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Solution

The fourth proportional to 78,575.34, 108,425.07 and 46,307.97 is: 63,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,575.34 : 108,425.07 = 46,307.97 : x
  2. Step 2: Convert to fraction form
    78,575.34/108,425.07 = 46,307.97/x
  3. Step 3: Cross multiply
    78,575.34x = 108,425.07 × 46,307.97
  4. Step 4: Simplify right side
    78,575.34x = 5,020,944,888.81
  5. Step 5: Solve for x
    x = 5,020,944,888.81/78,575.34
  6. Step 6: Final answer
    x = 63,899.75

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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.