Home / 103,803.47-143,248.14-58,496.01

Finding the Fourth Proportional to 103,803.47, 143,248.14 and 58,496.01

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Solution

The fourth proportional to 103,803.47, 143,248.14 and 58,496.01 is: 80,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,803.47 : 143,248.14 = 58,496.01 : x
  2. Step 2: Convert to fraction form
    103,803.47/143,248.14 = 58,496.01/x
  3. Step 3: Cross multiply
    103,803.47x = 143,248.14 × 58,496.01
  4. Step 4: Simplify right side
    103,803.47x = 8,379,443,928.22
  5. Step 5: Solve for x
    x = 8,379,443,928.22/103,803.47
  6. Step 6: Final answer
    x = 80,724.12

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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.