Home / 70,802.01-97,706.55-38,970.93

Finding the Fourth Proportional to 70,802.01, 97,706.55 and 38,970.93

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Solution

The fourth proportional to 70,802.01, 97,706.55 and 38,970.93 is: 53,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,802.01 : 97,706.55 = 38,970.93 : x
  2. Step 2: Convert to fraction form
    70,802.01/97,706.55 = 38,970.93/x
  3. Step 3: Cross multiply
    70,802.01x = 97,706.55 × 38,970.93
  4. Step 4: Simplify right side
    70,802.01x = 3,807,714,925.74
  5. Step 5: Solve for x
    x = 3,807,714,925.74/70,802.01
  6. Step 6: Final answer
    x = 53,779.76

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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.