Home / 103,775.04-143,210.40-59,065.92

Finding the Fourth Proportional to 103,775.04, 143,210.40 and 59,065.92

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Solution

The fourth proportional to 103,775.04, 143,210.40 and 59,065.92 is: 81,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,775.04 : 143,210.40 = 59,065.92 : x
  2. Step 2: Convert to fraction form
    103,775.04/143,210.40 = 59,065.92/x
  3. Step 3: Cross multiply
    103,775.04x = 143,210.40 × 59,065.92
  4. Step 4: Simplify right side
    103,775.04x = 8,458,854,029.57
  5. Step 5: Solve for x
    x = 8,458,854,029.57/103,775.04
  6. Step 6: Final answer
    x = 81,511.45

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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.