Home / 105,048.34-157,572.51-38,461.48

Finding the Fourth Proportional to 105,048.34, 157,572.51 and 38,461.48

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Solution

The fourth proportional to 105,048.34, 157,572.51 and 38,461.48 is: 57,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.34 : 157,572.51 = 38,461.48 : x
  2. Step 2: Convert to fraction form
    105,048.34/157,572.51 = 38,461.48/x
  3. Step 3: Cross multiply
    105,048.34x = 157,572.51 × 38,461.48
  4. Step 4: Simplify right side
    105,048.34x = 6,060,471,547.98
  5. Step 5: Solve for x
    x = 6,060,471,547.98/105,048.34
  6. Step 6: Final answer
    x = 57,692.22

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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.