Home / 53,725.02-74,136.18-31,065.48

Finding the Fourth Proportional to 53,725.02, 74,136.18 and 31,065.48

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Solution

The fourth proportional to 53,725.02, 74,136.18 and 31,065.48 is: 42,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.02 : 74,136.18 = 31,065.48 : x
  2. Step 2: Convert to fraction form
    53,725.02/74,136.18 = 31,065.48/x
  3. Step 3: Cross multiply
    53,725.02x = 74,136.18 × 31,065.48
  4. Step 4: Simplify right side
    53,725.02x = 2,303,076,017.07
  5. Step 5: Solve for x
    x = 2,303,076,017.07/53,725.02
  6. Step 6: Final answer
    x = 42,867.85

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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.