Home / 75,683.34-104,443.02-43,870.70

Finding the Fourth Proportional to 75,683.34, 104,443.02 and 43,870.70

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Solution

The fourth proportional to 75,683.34, 104,443.02 and 43,870.70 is: 60,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.34 : 104,443.02 = 43,870.70 : x
  2. Step 2: Convert to fraction form
    75,683.34/104,443.02 = 43,870.70/x
  3. Step 3: Cross multiply
    75,683.34x = 104,443.02 × 43,870.70
  4. Step 4: Simplify right side
    75,683.34x = 4,581,987,875.30
  5. Step 5: Solve for x
    x = 4,581,987,875.30/75,683.34
  6. Step 6: Final answer
    x = 60,541.57

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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.