Home / 103,778.04-143,214.54-59,068.92

Finding the Fourth Proportional to 103,778.04, 143,214.54 and 59,068.92

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Solution

The fourth proportional to 103,778.04, 143,214.54 and 59,068.92 is: 81,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,778.04 : 143,214.54 = 59,068.92 : x
  2. Step 2: Convert to fraction form
    103,778.04/143,214.54 = 59,068.92/x
  3. Step 3: Cross multiply
    103,778.04x = 143,214.54 × 59,068.92
  4. Step 4: Simplify right side
    103,778.04x = 8,459,528,206.10
  5. Step 5: Solve for x
    x = 8,459,528,206.10/103,778.04
  6. Step 6: Final answer
    x = 81,515.59

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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.