Home / 51,106.86-70,526.92-28,445.52

Finding the Fourth Proportional to 51,106.86, 70,526.92 and 28,445.52

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Solution

The fourth proportional to 51,106.86, 70,526.92 and 28,445.52 is: 39,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.86 : 70,526.92 = 28,445.52 : x
  2. Step 2: Convert to fraction form
    51,106.86/70,526.92 = 28,445.52/x
  3. Step 3: Cross multiply
    51,106.86x = 70,526.92 × 28,445.52
  4. Step 4: Simplify right side
    51,106.86x = 2,006,174,913.40
  5. Step 5: Solve for x
    x = 2,006,174,913.40/51,106.86
  6. Step 6: Final answer
    x = 39,254.51

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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.