Home / 53,072.16-79,140.02-52,598.40

Finding the Fourth Proportional to 53,072.16, 79,140.02 and 52,598.40

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Solution

The fourth proportional to 53,072.16, 79,140.02 and 52,598.40 is: 78,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.16 : 79,140.02 = 52,598.40 : x
  2. Step 2: Convert to fraction form
    53,072.16/79,140.02 = 52,598.40/x
  3. Step 3: Cross multiply
    53,072.16x = 79,140.02 × 52,598.40
  4. Step 4: Simplify right side
    53,072.16x = 4,162,638,427.97
  5. Step 5: Solve for x
    x = 4,162,638,427.97/53,072.16
  6. Step 6: Final answer
    x = 78,433.56

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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.