Home / 70,555.93-97,284.04-57,085.63

Finding the Fourth Proportional to 70,555.93, 97,284.04 and 57,085.63

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Solution

The fourth proportional to 70,555.93, 97,284.04 and 57,085.63 is: 78,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,555.93 : 97,284.04 = 57,085.63 : x
  2. Step 2: Convert to fraction form
    70,555.93/97,284.04 = 57,085.63/x
  3. Step 3: Cross multiply
    70,555.93x = 97,284.04 × 57,085.63
  4. Step 4: Simplify right side
    70,555.93x = 5,553,520,712.35
  5. Step 5: Solve for x
    x = 5,553,520,712.35/70,555.93
  6. Step 6: Final answer
    x = 78,710.90

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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.