Home / 76,187.04-105,166.34-45,973.64

Finding the Fourth Proportional to 76,187.04, 105,166.34 and 45,973.64

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Solution

The fourth proportional to 76,187.04, 105,166.34 and 45,973.64 is: 63,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.04 : 105,166.34 = 45,973.64 : x
  2. Step 2: Convert to fraction form
    76,187.04/105,166.34 = 45,973.64/x
  3. Step 3: Cross multiply
    76,187.04x = 105,166.34 × 45,973.64
  4. Step 4: Simplify right side
    76,187.04x = 4,834,878,699.58
  5. Step 5: Solve for x
    x = 4,834,878,699.58/76,187.04
  6. Step 6: Final answer
    x = 63,460.65

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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.