Home / 46,439.76-64,076.40-31,360.08

Finding the Fourth Proportional to 46,439.76, 64,076.40 and 31,360.08

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Solution

The fourth proportional to 46,439.76, 64,076.40 and 31,360.08 is: 43,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439.76 : 64,076.40 = 31,360.08 : x
  2. Step 2: Convert to fraction form
    46,439.76/64,076.40 = 31,360.08/x
  3. Step 3: Cross multiply
    46,439.76x = 64,076.40 × 31,360.08
  4. Step 4: Simplify right side
    46,439.76x = 2,009,441,030.11
  5. Step 5: Solve for x
    x = 2,009,441,030.11/46,439.76
  6. Step 6: Final answer
    x = 43,269.84

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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.