Home / 53,989.08-74,510.70-30,124.04

Finding the Fourth Proportional to 53,989.08, 74,510.70 and 30,124.04

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Solution

The fourth proportional to 53,989.08, 74,510.70 and 30,124.04 is: 41,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989.08 : 74,510.70 = 30,124.04 : x
  2. Step 2: Convert to fraction form
    53,989.08/74,510.70 = 30,124.04/x
  3. Step 3: Cross multiply
    53,989.08x = 74,510.70 × 30,124.04
  4. Step 4: Simplify right side
    53,989.08x = 2,244,563,307.23
  5. Step 5: Solve for x
    x = 2,244,563,307.23/53,989.08
  6. Step 6: Final answer
    x = 41,574.39

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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.