Home / 53,725.13-74,136.35-31,065.59

Finding the Fourth Proportional to 53,725.13, 74,136.35 and 31,065.59

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Solution

The fourth proportional to 53,725.13, 74,136.35 and 31,065.59 is: 42,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.13 : 74,136.35 = 31,065.59 : x
  2. Step 2: Convert to fraction form
    53,725.13/74,136.35 = 31,065.59/x
  3. Step 3: Cross multiply
    53,725.13x = 74,136.35 × 31,065.59
  4. Step 4: Simplify right side
    53,725.13x = 2,303,089,541.46
  5. Step 5: Solve for x
    x = 2,303,089,541.46/53,725.13
  6. Step 6: Final answer
    x = 42,868.01

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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.