Home / 47,312.36-70,888.20-28,552.98

Finding the Fourth Proportional to 47,312.36, 70,888.20 and 28,552.98

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Solution

The fourth proportional to 47,312.36, 70,888.20 and 28,552.98 is: 42,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312.36 : 70,888.20 = 28,552.98 : x
  2. Step 2: Convert to fraction form
    47,312.36/70,888.20 = 28,552.98/x
  3. Step 3: Cross multiply
    47,312.36x = 70,888.20 × 28,552.98
  4. Step 4: Simplify right side
    47,312.36x = 2,024,069,356.84
  5. Step 5: Solve for x
    x = 2,024,069,356.84/47,312.36
  6. Step 6: Final answer
    x = 42,780.98

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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.