Home / 118,335.51-163,302.62-70,590.87

Finding the Fourth Proportional to 118,335.51, 163,302.62 and 70,590.87

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Solution

The fourth proportional to 118,335.51, 163,302.62 and 70,590.87 is: 97,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335.51 : 163,302.62 = 70,590.87 : x
  2. Step 2: Convert to fraction form
    118,335.51/163,302.62 = 70,590.87/x
  3. Step 3: Cross multiply
    118,335.51x = 163,302.62 × 70,590.87
  4. Step 4: Simplify right side
    118,335.51x = 11,527,673,666.13
  5. Step 5: Solve for x
    x = 11,527,673,666.13/118,335.51
  6. Step 6: Final answer
    x = 97,415.17

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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.