Home / 53,860.02-74,330.85-31,205.10

Finding the Fourth Proportional to 53,860.02, 74,330.85 and 31,205.10

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Solution

The fourth proportional to 53,860.02, 74,330.85 and 31,205.10 is: 43,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.02 : 74,330.85 = 31,205.10 : x
  2. Step 2: Convert to fraction form
    53,860.02/74,330.85 = 31,205.10/x
  3. Step 3: Cross multiply
    53,860.02x = 74,330.85 × 31,205.10
  4. Step 4: Simplify right side
    53,860.02x = 2,319,501,607.34
  5. Step 5: Solve for x
    x = 2,319,501,607.34/53,860.02
  6. Step 6: Final answer
    x = 43,065.37

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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.