Home / 75,032.40-112,548.60-47,038.80

Finding the Fourth Proportional to 75,032.40, 112,548.60 and 47,038.80

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Solution

The fourth proportional to 75,032.40, 112,548.60 and 47,038.80 is: 70,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,032.40 : 112,548.60 = 47,038.80 : x
  2. Step 2: Convert to fraction form
    75,032.40/112,548.60 = 47,038.80/x
  3. Step 3: Cross multiply
    75,032.40x = 112,548.60 × 47,038.80
  4. Step 4: Simplify right side
    75,032.40x = 5,294,151,085.68
  5. Step 5: Solve for x
    x = 5,294,151,085.68/75,032.40
  6. Step 6: Final answer
    x = 70,558.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.