Home / 52,506.02-78,424.34-47,500.72

Finding the Fourth Proportional to 52,506.02, 78,424.34 and 47,500.72

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Solution

The fourth proportional to 52,506.02, 78,424.34 and 47,500.72 is: 70,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,506.02 : 78,424.34 = 47,500.72 : x
  2. Step 2: Convert to fraction form
    52,506.02/78,424.34 = 47,500.72/x
  3. Step 3: Cross multiply
    52,506.02x = 78,424.34 × 47,500.72
  4. Step 4: Simplify right side
    52,506.02x = 3,725,212,615.52
  5. Step 5: Solve for x
    x = 3,725,212,615.52/52,506.02
  6. Step 6: Final answer
    x = 70,948.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.