Home / 47,070.32-64,913.63-31,985.48

Finding the Fourth Proportional to 47,070.32, 64,913.63 and 31,985.48

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Solution

The fourth proportional to 47,070.32, 64,913.63 and 31,985.48 is: 44,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070.32 : 64,913.63 = 31,985.48 : x
  2. Step 2: Convert to fraction form
    47,070.32/64,913.63 = 31,985.48/x
  3. Step 3: Cross multiply
    47,070.32x = 64,913.63 × 31,985.48
  4. Step 4: Simplify right side
    47,070.32x = 2,076,293,616.45
  5. Step 5: Solve for x
    x = 2,076,293,616.45/47,070.32
  6. Step 6: Final answer
    x = 44,110.47

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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.