Home / 125,054.13-172,574.70-68,465.51

Finding the Fourth Proportional to 125,054.13, 172,574.70 and 68,465.51

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Solution

The fourth proportional to 125,054.13, 172,574.70 and 68,465.51 is: 94,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,054.13 : 172,574.70 = 68,465.51 : x
  2. Step 2: Convert to fraction form
    125,054.13/172,574.70 = 68,465.51/x
  3. Step 3: Cross multiply
    125,054.13x = 172,574.70 × 68,465.51
  4. Step 4: Simplify right side
    125,054.13x = 11,815,413,985.72
  5. Step 5: Solve for x
    x = 11,815,413,985.72/125,054.13
  6. Step 6: Final answer
    x = 94,482.40

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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.