Home / 64,548.18-89,068.23-37,671.21

Finding the Fourth Proportional to 64,548.18, 89,068.23 and 37,671.21

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Solution

The fourth proportional to 64,548.18, 89,068.23 and 37,671.21 is: 51,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,548.18 : 89,068.23 = 37,671.21 : x
  2. Step 2: Convert to fraction form
    64,548.18/89,068.23 = 37,671.21/x
  3. Step 3: Cross multiply
    64,548.18x = 89,068.23 × 37,671.21
  4. Step 4: Simplify right side
    64,548.18x = 3,355,307,996.66
  5. Step 5: Solve for x
    x = 3,355,307,996.66/64,548.18
  6. Step 6: Final answer
    x = 51,981.45

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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.