Home / 53,280.74-79,925.43-17,740.77

Finding the Fourth Proportional to 53,280.74, 79,925.43 and 17,740.77

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Solution

The fourth proportional to 53,280.74, 79,925.43 and 17,740.77 is: 26,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280.74 : 79,925.43 = 17,740.77 : x
  2. Step 2: Convert to fraction form
    53,280.74/79,925.43 = 17,740.77/x
  3. Step 3: Cross multiply
    53,280.74x = 79,925.43 × 17,740.77
  4. Step 4: Simplify right side
    53,280.74x = 1,417,938,670.78
  5. Step 5: Solve for x
    x = 1,417,938,670.78/53,280.74
  6. Step 6: Final answer
    x = 26,612.60

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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.