Home / 89,048.40-133,572.60-42,392.40

Finding the Fourth Proportional to 89,048.40, 133,572.60 and 42,392.40

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Solution

The fourth proportional to 89,048.40, 133,572.60 and 42,392.40 is: 63,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.40 : 133,572.60 = 42,392.40 : x
  2. Step 2: Convert to fraction form
    89,048.40/133,572.60 = 42,392.40/x
  3. Step 3: Cross multiply
    89,048.40x = 133,572.60 × 42,392.40
  4. Step 4: Simplify right side
    89,048.40x = 5,662,463,088.24
  5. Step 5: Solve for x
    x = 5,662,463,088.24/89,048.40
  6. Step 6: Final answer
    x = 63,588.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.