Home / 103,751.04-143,177.28-59,041.92

Finding the Fourth Proportional to 103,751.04, 143,177.28 and 59,041.92

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Solution

The fourth proportional to 103,751.04, 143,177.28 and 59,041.92 is: 81,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,751.04 : 143,177.28 = 59,041.92 : x
  2. Step 2: Convert to fraction form
    103,751.04/143,177.28 = 59,041.92/x
  3. Step 3: Cross multiply
    103,751.04x = 143,177.28 × 59,041.92
  4. Step 4: Simplify right side
    103,751.04x = 8,453,461,511.58
  5. Step 5: Solve for x
    x = 8,453,461,511.58/103,751.04
  6. Step 6: Final answer
    x = 81,478.33

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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.